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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: python-django security update
Advisory ID:       RHSA-2015:1766-01
Product:           Red Hat Enterprise Linux OpenStack Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2015-1766.html
Issue date:        2015-09-10
CVE Names:         CVE-2015-5963 CVE-2015-5964 
=====================================================================

1. Summary:

Updated python-django packages that fix two security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat
Enterprise Linux 6.

Red Hat Product Security has rated this update as having Moderate security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6 - noarch

3. Description:

Django is a high-level Python Web framework that encourages rapid
development and a clean, pragmatic design. It focuses on automating as much
as possible and adhering to the DRY (Don't Repeat Yourself) principle.

It was found that Django incorrectly handled the session store. A session
could be created by anonymously accessing the
django.contrib.auth.views.logout view if it was not decorated correctly
with django.contrib.auth.decorators.login_required. A remote attacker could
use this flaw to fill up the session store or cause other users' session
records to be evicted by requesting a large number of new sessions.
(CVE-2015-5963)

It was found that certain Django functions would, in certain circumstances,
create empty sessions. A remote attacker could use this flaw to fill up the
session store or cause other users' session records to be evicted by
requesting a large number of new sessions. (CVE-2015-5964)

Red Hat would like to thank the upstream Django project for reporting these
issues. Upstream acknowledges Lin Hua Cheng as the original reporter of
CVE-2015-5964.

All python-django users are advised to upgrade to these updated packages,
which contain backported patches to correct these issues.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1252890 - CVE-2015-5963 python-django: Denial-of-service possibility in logout() view by filling session store
1252891 - CVE-2015-5964 python-django: Denial-of-service possibility in logout() view by filling session store

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6:

Source:
python-django-1.6.11-3.el6ost.src.rpm

noarch:
python-django-1.6.11-3.el6ost.noarch.rpm
python-django-bash-completion-1.6.11-3.el6ost.noarch.rpm
python-django-doc-1.6.11-3.el6ost.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2015-5963
https://access.redhat.com/security/cve/CVE-2015-5964
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2015 Red Hat, Inc.
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